140440330401442 has 16 divisors (see below), whose sum is σ = 222326866344960. Its totient is φ = 66350674161072.

The previous prime is 140440330401433. The next prime is 140440330401443. The reversal of 140440330401442 is 244104033044041.

It is a junction number, because it is equal to n+sod(n) for n = 140440330401398 and 140440330401407.

It is not an unprimeable number, because it can be changed into a prime (140440330401443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4824787233 + ... + 4824816340.

It is an arithmetic number, because the mean of its divisors is an integer number (13895429146560).

Almost surely, 2^{140440330401442} is an apocalyptic number.

140440330401442 is a deficient number, since it is larger than the sum of its proper divisors (81886535943518).

140440330401442 is a wasteful number, since it uses less digits than its factorization.

140440330401442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649603977.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 140440330401442 its reverse (244104033044041), we get a palindrome (384544363445483).

The spelling of 140440330401442 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirty million, four hundred one thousand, four hundred forty-two".